diff options
| author | Zhiming Hu <zhiming.hu@intel.com> | 2025-02-19 09:02:51 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2025-03-14 14:20:51 -0400 |
| commit | 7c035bea94074b19ed560a4f23a76c5a6c8e594f (patch) | |
| tree | bcbdba2d1d5481b6cd156655fd746a3ba9077ceb /include/linux | |
| parent | 20d913729c116a43119de76d346e0d3da0dc856b (diff) | |
KVM: TDX: Register TDX host key IDs to cgroup misc controller
TDX host key IDs (HKID) are limit resources in a machine, and the misc
cgroup lets the machine owner track their usage and limits the possibility
of abusing them outside the owner's control.
The cgroup v2 miscellaneous subsystem was introduced to control the
resource of AMD SEV & SEV-ES ASIDs. Likewise introduce HKIDs as a misc
resource.
Signed-off-by: Zhiming Hu <zhiming.hu@intel.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/misc_cgroup.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/misc_cgroup.h b/include/linux/misc_cgroup.h index 49eef10c8e59..8c0e4f4d71be 100644 --- a/include/linux/misc_cgroup.h +++ b/include/linux/misc_cgroup.h @@ -18,6 +18,10 @@ enum misc_res_type { /** @MISC_CG_RES_SEV_ES: AMD SEV-ES ASIDs resource */ MISC_CG_RES_SEV_ES, #endif +#ifdef CONFIG_INTEL_TDX_HOST + /* Intel TDX HKIDs resource */ + MISC_CG_RES_TDX, +#endif /** @MISC_CG_RES_TYPES: count of enum misc_res_type constants */ MISC_CG_RES_TYPES }; |